DIFF Subgroup
H04L 12/64 Hybrid switching systems
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Data switching networks > Hybrid switching systems
CPC:
Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F13/00) > Hybrid switching systems
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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